Activities near power lines, underground cables, and laying cable pipes

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This course is for you who will be working near power lines, excavating or driving objects into the ground, or doing preparatory work for laying cable pipes.

Technical information

Course name: Activities near power lines, underground cables, and laying cable pipes
Type: E-learning
Duration: 1h 20min
Language: Norwegian
Provider: Trainor
Trainor app

This course can be downloaded og run offline in the Trainor app

System requirements

This course can be run on a computer, tablet and smart phone. For handheld devices we recommend a stable Wi-fi connection. Flash is not required for this course.

Recommended minimum connection speed is 1.5 Mbps. If you experience problems while running the course, we recommend using the Google Chrome browser.
Target

Participants will acquire necessary knowledge and skills to enable them to work safely in the proximity of power lines and cables, reducing accidents, injuries and loss of life and avoiding damage to equipment and the power grid.

Target group

Those who currently work, or plan to work in the proximity of power lines and other electrical installations, or who plan such operations, those who excavate or drive objects into the ground, or those who do preparatory work for laying cable pipes.

Subjects covered in the course

Electrical installations

  • Where are the hazards?
  • Power lines
  • High-voltage installations

Electrical hazards

  • Forces in action in the high-voltage grid
  • When machinery and trees touch power lines

Safety at the workplace

  • The grid company operations centre
  • Working closer than 30 metres from an electrical installation
  • Safety distance
  • Safety Supervisor – responsibility and authority
  • Safety Observer
  • Re-energising power lines

When disaster has struck

  • Reporting an incident or accident
  • Fallen power lines

Charting cables

  • Excavation permits
  • Excavation near cable routes
  • Unearthing cables
  • Warning ribbons and cover plates

Handling cables

  • Different types of cable
  • Earthing
  • Damaged cables
  • Mounting cables

Laying cable pipes

  • Requirements to types of pipes for power cables
  • Colour coding of pipes
  • Ring stiffness
  • Guidelines for laying and planning
  • Guidelines for transport, handling and storage
  • Recommended guidelines for preparing trenches
  • Guidelines for installation and laying
  • Guidelines for cable marking and protection boards
  • Guidelines for distances and altering direction
  • Covering and filling
  • Summary of the most usual types of documentation

The course follows the recommendations set out in RENblad 9010 Version: 1.4.